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47797753970 = 2522277214561
BaseRepresentation
bin101100100000111101…
…111101100001110010
311120101002220111000002
4230200331331201302
51240342211111340
633542531430002
73311321130251
oct544075754162
9146332814002
1047797753970
11192a864a00a
12931b455302
134679732c75
14245606a798
15139b382715
hexb20f7d872

47797753970 has 16 divisors (see below), whose sum is σ = 86040220248. Its totient is φ = 19118154240.

The previous prime is 47797753963. The next prime is 47797753973. The reversal of 47797753970 is 7935779774.

It can be written as a sum of positive squares in 4 ways, for example, as 35306785801 + 12490968169 = 187901^2 + 111763^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47797753897 and 47797753906.

It is not an unprimeable number, because it can be changed into a prime (47797753973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115490 + ... + 330050.

Almost surely, 247797753970 is an apocalyptic number.

47797753970 is a deficient number, since it is larger than the sum of its proper divisors (38242466278).

47797753970 is a wasteful number, since it uses less digits than its factorization.

47797753970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236845.

The product of its (nonzero) digits is 81682020, while the sum is 65.

The spelling of 47797753970 in words is "forty-seven billion, seven hundred ninety-seven million, seven hundred fifty-three thousand, nine hundred seventy".

Divisors: 1 2 5 10 22277 44554 111385 214561 222770 429122 1072805 2145610 4779775397 9559550794 23898876985 47797753970